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agronom.cc cultivar database

Public domain

Varieties in the public domain

Plant breeders' rights are granted for a limited term. Upon expiration, the variety enters the public domain: its seeds can be propagated and sold without the rights holder's license.

Varieties
17 808

By year of entering the public domain

Recent years are the most sought-after: the variety is free to use but still in production.

2026 1 754 2025 2 267 2024 2 040 2023 1 891 2022 859 2021 1 395 2020 1 341 2019 1 630 2018 873 2017 1 239 2016 1 088 2015 1 023

Varieties in the public domain

Impact

Protection expired

Zea mays L. · Maize

M. KOPPE B.V^^^Walter Schmidt^^^Rainer Leipert

DE DK LT SI SK
8 records

Husar

Protection expired

Zea mays L. · Maize

KWS SAAT SE and CO KGAA

AT DE DK IE LV
10 records

Hockey

Protection expired

Hordeum vulgare L. · Barley

NICKERSON-ADVANTA

BE DK FR NL PL
11 records

Histona

Protection expired

Brassica oleracea L. (White Cabbage Group) · White cabbage

Bejo Zaden B.V.

CZ HU NL PL SI SK
7 records

Gipsy

Protection expired

Brassica oleracea L. (Cauliflower Group) · Cauliflower

HM.CLAUSE

CZ FR HR HU PL SK
7 records

Gaelic

Protection expired

Hordeum vulgare L. · Barley

SAS FLORIMOND DESPREZ VEUVE and FILS

ES FR HR IE
12 records

Future

Protection expired

Euphorbia pulcherrima Willd. ex Klotzsch · Poinsettia

Theodorus H. A. Scheffers^^^FRANKEN J G

DE NL PL
7 records

Flacino

Protection expired

Daucus carota L. · Carrot

Royal Sluis (NL)

CZ HU NL PL SI SK
8 records

Fiona

Protection expired

Hordeum vulgare L. · Barley

Nordsaat Saatzuchtgesellschaft mbH

AT DE FR HU PL
10 records

Fantoom

Protection expired

Lolium perenne L. · Perennial ryegrass

Mommersteeg International BV (NL)

AT FR
9 records

Faktor

Protection expired

Pisum sativum L. · Pea

Selgen a.s., CZ

CZ FR HR SI SK
11 records

ES Kornelka

Protection expired

Helianthus annuus L. · Sunflower

Euralis Semences, Mondonville FR

AT CZ HU IT SK
7 records

ES Erika

Protection expired

Helianthus annuus L. · Sunflower

Euralis Semences FR

AT CZ FR HR IT
8 records

Enrica

Protection expired

Lactuca sativa L. · Lettuce

Syngenta Seeds BV (NL)

CZ FR HU NL SI SK
8 records

Emily Post

Protection expired

Rosa L. · Rose

ROY L. BYRUM

DK ES FR SE
7 records

Ditta

Protection expired

Hordeum vulgare L. · Barley

STRUBE| Johann-Friedrich Strube in Fa. Dr. J. Ackermann & Co (Kommanditgesellschaft) / LIEBL| Josef Liebl in Fa. Dr. J. Ackermann & Co (Kommanditgesellschaft)

AT CZ DE ES FR
11 records

Delphi

Protection expired

Hordeum vulgare L. · Barley

Sejet Planteforaedling I,S

CZ DK FR
8 records

Delphi

Protection expired

Brassica oleracea L. (White Cabbage Group) · White cabbage

Seminis Vegetable Seeds

CZ ES NL PL SI SK
7 records

Dario

Protection expired

Solanum lycopersicum L. · Tomato

Syngenta Seeds BV (NL)

CZ ES HR NL SI SK
7 records

Crystal

Protection expired

Linum usitatissimum L. · Common flax

Hollosi Szilard / Bedoe Istvanne / Frank Jozsef / Ivan Jozsef

FR HU IT NL
10 records

Corfu

Protection expired

Pisum sativum L. · Pea

W BROTHERTON SEED CO INC

DE DK PL
10 records

Colonna

Protection expired

Lilium L. · Lily

VLETTER FLORIS| Floris Vletter

BE DE FR NL PL
7 records

Colmo

Protection expired

Solanum tuberosum L. · Potato

ZPC

ES FR IE IT NL
10 records

Clara

Protection expired

Hordeum vulgare L. · Barley

Nordsaat Saatzuchtgesellschaft m.b.H. (DE)

DE DK ES FR
17 records

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